March 14, 2019

Today’s digest covers interesting reviews on microbiota for immunotherapies, non-digestible carbohydrates for infant microbiota and contribution of marine microbiota in reactive oxygen species; research articles on how gluten sensitivity is affected by duodenal microbiota and how ginger intake affects mouse microbiota.

General microbiome

Review: Mining the microbiota for microbial and metabolite-based immunotherapies – Ashwin N. Skelly – Nature Reviews Immunology

Pregnancy and early life microbiome

Relationship between vitamin D status and the vaginal microbiome during pregnancy – Kimberly K. Jefferson – Journal of Perinatology

Review: Shaping the Infant Microbiome With Non-Digestible Carbohydrates – Stella A. Verkhnyatskaya – Frontiers in Microbiology

Variations in early gut microbiome are associated with childhood eczema – Yu Zhang – FEMS Microbiology Letters

Human gut microbiome

Gut microbiota in HIV–pneumonia patients is related to peripheral CD4 counts, lung microbiota, and in vitro macrophage dysfunction – Meera K. Shenoy – Microbiome

Effects of bowel preparation on the human gut microbiome and metabolome – Naoyoshi Nagata – Scientific Reports

Human colon mucosal biofilms from healthy or colon cancer hosts are carcinogenic – Sarah Tomkovich – The Journal of Clinical Investigation

Animal experiments

Host NLRP6 exacerbates graft-versus-host disease independent of gut microbial composition – Tomomi Toubai – Nature Microbiology

Duodenal bacterial proteolytic activity determines sensitivity to dietary antigen through protease-activated receptor-2 – Alberto Caminero – Nature Communications

The dynamics of the antibiotic resistome in the feces of freshly weaned pigs following therapeutic administration of oxytetracycline – Mahdi Ghanbari – Scientific Reports

Beneficial effects of ginger on prevention of obesity through modulation of gut microbiota in mice – Jing Wang – European Journal of Nutrition

Six‐Week High‐Fat Diet Alters the Gut Microbiome and Promotes Cecal Inflammation, Endotoxin Production, and Simple Steatosis without Obesity in Male Rats – Melisa Crawford – Lipids

Gut microbiome structure and adrenocortical activity in dogs with aggressive and phobic behavioral disorders – Elisabetta Mondo – BioRxiv

The gut microbiota regulates mouse biliary regenerative responses – Wenli Liu – BioRxiv

Plant, root, soil microbiome

Consistent bacterial selection by date palm root system across heterogeneous desert oasis agroecosystems – Maria J. Mosqueira – Scientific Reports

Bacterial fermentation and respiration processes are uncoupled in anoxic permeable sediments – Adam J. Kessler – Nature Microbiology

Effects of graphene oxide and graphite on soil bacterial and fungal diversity – Christian Forstner – BioRxiv

Water microbiome and extremophiles

Review: The microbial contribution to reactive oxygen species dynamics in marine ecosystems – Erik R. Zinser – Environmental Microbiology Reports

Non-microbiology picks

Nano-bot can probe inside human cells – Science Daily

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February 27, 2019

Today’s short digest covers articles on bacterial interaction with intestinal cells, semen microbiome and how microbiota affects insulin reactive immune cells.

General microbiome

The founder hypothesis: A basis for microbiota resistance, diversity in taxa carriage, and colonization resistance against pathogens – Yael Litvak -Plos Pathogens

Review : Impact of the gut microbiome on the genome and epigenome of colon epithelial cells: contributions to colorectal cancer development – Jawara Allen – Genome Medicine

Paneth cell granule dynamics on secretory responses to bacterial stimuli in enteroids – Yuki Yokoi – Scientific Reports

Human gut microbiome

Altered immunity and microbial dysbiosis in aged individuals with long-term controlled HIV infection – Nicholas S. Rhoades – Frontiers in Immunology

Bacterial viability in faecal transplants: Which bacteria survive? – Lito E. Papanicolas – EbioMedicine

Semen Microbiome Biogeography: An Analysis Based on a Chinese Population Study – Zhanshan Ma – Frontiers in Microbiology

Animal experiments

The effects of unfermented and fermented cow and sheep milk on the gut microbiota – Elizabeth Rettedal – Frontiers in Microbiology

Altered Gut Microbiota Activate and Expand Insulin B15-23-Reactive CD8+ T-Cells – James A. Pearson – Diabetes

Lactobacillus plantarum PFM 105 Promotes Intestinal Development Through Modulation of Gut Microbiota in Weaning Piglets – Tianwei Wang – Frontiers in Microbiology

Water microbiome and extremophiles

Microbial residence time is a controlling parameter of the taxonomic composition and functional profile of microbial communities – Cresten Mansfeldt – ISME Journal

Microbial community structure and functionality in the deep sea floor: evaluating the causes of spatial heterogeneity in a submarine canyon system (NW Mediterranean, Spain) – Sara Román – Frontiers in Marine Science

Non-microbiology picks

Dual AAV-mediated gene therapy restores hearing in a DFNB9 mouse model – Omar Akil – PNAS

 

December 20, 2018

In the wait of Christmas weekend and holidays, some quick reading for updates in microbiome field. Today’s digest include articles on improving metagenomic data analysis and integrating different -omics datasets; review article on potential of microbiome to address antimicrobial resistance and meta-analysis on benefits of probiotic supplements in kidney disease.

General microbiome

Microbiome as a tool and a target in the effort to address antimicrobial resistance – David A. Relman – PNAS

Gut microbiota and health: connecting actors across the metabolic system – F. Fava – Proceedings of the Nutrition Society

Dietary sugar silences a colonization factor in a mammalian gut symbiont – Guy E. Townsend II – PNAS

Human gut microbiome

Genomic variation and strain-specific functional adaptation in the human gut microbiome during early life – Tommi Vatanen – Nature Microbiology

Phylogenetic barriers to horizontal transfer of antimicrobial peptide resistance genes in the human gut microbiota – Bálint Kintses – Nature Microbiology

Fecal Microbiota Transplantation for the Critically Ill Patient – Berkeley N. Limketkai – Nutrition in Clinical Practice

Effects of probiotic supplements on the progression of chronic kidney disease: a meta‐analysis – Sibei Tao – Nephrology

Signatures within the esophageal microbiome are associated with host genetics, age, and disease – Nandan P. Deshpande – Microbiome

Human oral microbiome

Oral microbiomes in children with asthma and dental caries – Sergey V. Cherkasov – Oral Diseases

Animal experiments

Microbial fermentation of flaxseed fibers modulates the transcriptome of GPR41-expressing enteroendocrine cells and protects mice against diet-induced obesity – Tulika Arora – Americal Journal of Physiology Endocrinology and Metabolism

Transcriptome-wide reprogramming of N6-methyladenosine modification by the mouse microbiome – Xiaoyun Wang – Cell Research

Antidepressant treatment modulates the gut microbiome and metabolome during pregnancy and lactation in rats with a depressive-like phenotype – Anouschka S. Ramsteijn – BioRxiv

Association of gut microbiota composition and function with a senescence-accelerated mouse model of Alzheimer’s Disease using 16S rRNA gene and metagenomic sequencing analysis – Weijun Peng – Aging

Prebiotics and synbiotics – in ovo delivery for improved lifespan condition in chicken – M. Siwek – BMC Veterinary Research

The response of colonic mucosa-associated microbiota composition, mucosal immune homeostasis, and barrier function to early-life galactooligosaccharides intervention in suckling piglets – Jue Wang – Journal of Agricultural and Food Chemistry

Techniques

Microbiome characterization by high-throughput transfer RNA sequencing and modification analysis – Michael H. Schwartz – Nature Communications

Simple statistical identification and removal of contaminant sequences in marker-gene and metagenomics data – Nicole M. Davis – Microbiome

Multiomics modeling of the immunome, transcriptome, microbiome, proteome and metabolome adaptations during human pregnancy – Mohammad Sajjad Ghaemi – Bioinformatics

Introducing THOR, a model microbiome for genetic dissection of community behavior – Gabriel L. Lozano – BioRxiv

Microbes in the news

Prebiotics Benefit the Gut Microbiome of Both Children and Adults – Market watch

Non-microbiology picks

Technologies to address antimicrobial resistance – Stephen J. Baker – PNAS

December 19, 2018

Toady’s digest features research that gives insight on the formation of lower respiratory tract microbiota in infants and the differential role of TL1A in acute and chronic colitis.

General microbiome

Profiling mycobacterial communities in pulmonary nontuberculous mycobacterial disease – Steven A. Cowman – PLOS ONE


Pregnancy and early life

*Early-Life Formation of the Microbial and Immunological Environment of the Human Airways – CélinePattaroni – Cell Host & Microbe


Human reproductive microbiome

Review: Uterine microbiome—low biomass and high expectations – Iolanda Garcia-Grau – Biology of Reproduction


Human respiratory microbiome

Review: Microbiome and disease in the upper airway – Jivianne T. Lee – Current Opinion in Allergy and Clinical Immunology


Human gut microbiome

Comparative analysis of Faecalibacterium prausnitzii genomes shows a high level of genome plasticity and warrants separation into new species-level taxa – Cormac Brian Fitzgerald – BMC Genomics

Retrospective analysis of long-term gastrointestinal symptoms after Clostridium difficile infection in a nonelderly cohort – Tamar F. Barlam – PLOS ONE

Review: Gut microbiota: a potential manipulator for host adipose tissue and energy metabolism – Bohan Rong – The Journal of Nutritional Biochemistry


Animal experiments

*Microbiota-Induced TNF-like Ligand 1A Drives Group 3 Innate Lymphoid Cell-Mediated Barrier Protection and Intestinal T Cell Activation during Colitis – Jim G.Castellanos – Immunity

LC–MS-Based Metabolomics and Lipidomics Study of High-Density-Lipoprotein-Modulated Glucose Metabolism with an apoA-I Knockout Mouse Model – Jia Liu – Journal of Proteome Research

TLR4 deficiency reduces pulmonary resistance to Streptococcus pneumoniae in gut microbiota-disrupted mice – Hongyan Wang – PLOS ONE

Zengye decoction induces alterations to metabolically active gut microbiota in aged constipated rats – Deliang Liu – Biomedicine & Pharmacotherapy


Animal microbiome

Floral and Foliar Source Affect the Bee Nest Microbial Community – Jason A. Rothman – Microbial Ecology

Effects of urbanization on the foraging ecology and microbiota of the generalist seabird Larus argentatus – Matthew Fuirst – PLOS ONE

Disruption of the microbiota affects physiological and evolutionary aspects of insecticide resistance in the German cockroach, an important urban pest – Jose E. Pietri _ PLOS ONE

The composition and structure of the intestinal microflora of Anguilla marmorata at different growth rates: a deep sequencing study – Mao Lin – Journal of Applied Microbiology

Review: Composition and functional roles of the gut microbiota in mosquitoes – Michael R. Strand – Current Opinion in Insect Science

Review: Transcriptomic analyses uncover emerging roles of mucins, lysosome/secretory addressing and detoxification pathways in insect midguts – Walter R. Terra – Current Opinion in Insect Science

Terrestriality and bacterial transfer: a comparative study of gut microbiomes in sympatric Malagasy mammals – Amanda C. Perofsky – The ISME Journal


Plant, root, and soil microbiome

Dead or alive; or does it really matter? Level of congruency between trophic modes in total and active fungal communities in High Arctic soil – Magdalena Wutkowska – Frontiers in Microbiology


Water and extremophile microbiome

Reduced TCA cycle rates at high hydrostatic pressure hinder hydrocarbon degradation and obligate oil degraders in natural, deep-sea microbial communities – Alberto Scoma- The ISME Journal

Evidence of selective pressure in whale fall microbiome proteins and its potential application to industry – Robert Cardoso deFreitas – Marine Genomics

AgNPs change microbial community structures of wastewater – Yuting Guo – Frontiers in Microbiology

Performance and microbial community of an electric biological integration reactor (EBIR) for treatment of wastewater containing ibuprofen – Yan Feng – Bioresource Technology

 

Food microbiology

Spoilage microbial community profiling by 16S rRNA amplicon sequencing of modified atmosphere packaged live mussels at cold storage temperature – Olumide A.Odeyemi – Food Research International

Genomic resolution of bacterial populations in saccharin and cyclamate degradation – YuDeng – Science of The Total Environment


Phages and viruses

Nanopore-based detection and characterization of yam viruses – Denis Filloux – Scientific Reports


Metabolomics

Active Acupoints Differ from Inactive Acupoints in Modulating Key Plasmatic Metabolites of Hypertension: A Targeted Metabolomics Study – Mingxiao Yang – Scientific Reports


Techniques

Review: Quantifying microbial chatter: scanning electrochemical microscopy as a tool to study interactions in biofilms – Sophie E. Darch – Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences

Metabolic Fingerprinting of Bacteria Exposed to Nanomaterials, Using Online Databases, NMR, and High-Resolution Mass Spectrometry – Theodoros G. Chatzimitakos – Nanotoxicity

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Science, publishing, and career

Commentary : Communicating health risks in science publications: time for everyone to take responsibility – Alexandra L. J. Freeman – BMC Medicine

Could a double blind peer review process reduce gender bias?

Preprint: The Case For and Against Double-blind Reviews – Amelia R – bioRxiv

December 12, 2018

Today’s digest features a citizen science project which describes the two compositional patterns (stomatotypes) in the oral microbiota of adolescents. The study also explores the role of different factors like hygeine, diet, drinking water in shaping the oral microbiota. Enjoy!

Human oral microbiome

*Citizen science charts two major “stomatotypes” in the oral microbiome of adolescents and reveals links with habits and drinking water composition – Jesse R. Willis – Microbiome

Uncovering complex microbiome activities via metatranscriptomics during 24 hours of oral biofilm assembly and maturation – Anna Edlund – Microbiome

Human gut microbiome

Review: Gut microbiota and inflammation in chronic kidney disease and their roles in the development of cardiovascular disease – Emine M. Onal – Hypertension Research

Animal experiments 

Zinc-amino-acid supplementation alters yearling ram rumen bacterial communities but zinc sulfate supplementation does not – Suzanne L Ishaq – Journal of Animal Science

Administration of antibiotics contributes to cholestasis in pediatric patients with intestinal failure via the alteration of FXR signaling – Yongtao Xiao – Experimental & Molecular Medicine

Intestinal microbiota mediates the susceptibility to polymicrobial sepsis‐induced liver injury by granisetron generation in mice – Shenhai Gong – Hepatology

Rumen microbiome in dairy calves fed copper and grape-pomace dietary supplementations: Composition and predicted functional profile – Filippo Biscarini – PLOS ONE

Plant, root, and soil microbiome

Rhizosheath microbial community assembly of sympatric desert speargrasses is independent of the plant host – Ramona Marasco – Microbiome

Water and extremophile microbiome

Review: Petroleum Hydrocarbon-Degrading Bacteria for the Remediation of Oil Pollution Under Aerobic Conditions: A Perspective Analysis – Xingjian Xu – Frontiers in Microbiology

Predominance and high diversity of genes associated to denitrification in metagenomes of subantarctic coastal sediments exposed to urban pollution – Priscila A. Calderoli – PLOS ONE

Gene probing reveals the widespread distribution, diversity and abundance of isoprene-degrading bacteria in the environment – Ornella Carrión – Microbiome

Rock substrate rather than black stain alterations drives microbial community structure in the passage of Lascaux Cave – Lise Alonso – Micrtobiome

Deep-sea anthropogenic macrodebris harbours rich and diverse communities of bacteria and archaea – Lucy C. Woodall – PLOS ONE

November 14, 2018

Today’s digest is about how dietary shifts and low gluten diet changes the intestinal microbiome, fecal microbiota transplant in intestinal disorders, characterization of the most abundant bacteriophage family in the human gut, and Raman spectroscopy based method for fast identification of antibiotic resistance bugs.

Human gut microbiome

Fecal microbiota transplantation for refractory immune checkpoint inhibitor-associated colitis – Yinghong Wang – Nature Medicine

A low-gluten diet induces changes in the intestinal microbiome of healthy Danish adults – Lea BS Hansen – Nature Communications

Resilience of human gut microbial communities for the long stay with multiple dietary shifts – Hong Liu – Gut

Microbiome and its relation to gestational diabetes – Ramon V. Cortez – Endocrine

Effect of bifidobacterium breve A-1 on anxiety and depressive symptoms in schizophrenia: A proof-of-concept study – Ryo Okubo – Journal of Affective Disorders

Fecal Akkermansia muciniphila Is Associated with Body Composition and Microbiota Diversity in Overweight and Obese Women with Breast Cancer Participating in a Presurgical Weight Loss Trial – Andrew D Fruge – Journal of the Academy of Nutrition and Dietetics

An Open-Labeled Study on Fecal Microbiota Transfer in Irritable Bowel Syndrome Patients Reveals Improvement in Abdominal Pain Associated with the Relative Abundance of Akkermansia Muciniphila – Cruz-Aguliar RM – Digestion

Animal experiments

Berberine alleviates insulin resistance by reducing peripheral branched-chain amino acids – Shi-Jun Yue – American Journal of Physiology Endocrinology and Metabolism

Air microbiome

A long-term survey unveils strong seasonal patterns in the airborne microbiome coupled to general and regional atmospheric circulations – Joan Cáliz – PNAS

Phages and viruses

ΦCrAss001 represents the most abundant bacteriophage family in the human gut and infects Bacteroides intestinalis – Andrey N Shkoporov – Nature Communications

Techniques

Quantifying and comparing bacterial growth dynamics in multiple metagenomic samples – Yuan Gao – Nature Methods

Dynamic linear models guide design and analysis of microbiota studies within artificial human guts – Justin D Silverman – Microbiome

Microbes in the news

Chinese scientists develop novel instrument for rapid profiling of antimicrobial resistance – EurekaAlert

Microbes on the market

Chr. Hansen Receives Joint Innovation Fund Grant to Develop Next Generation Microbial Solutions for Agriculture – Microbiome times

Non-microbiology picks

Remission of Human Type 2 Diabetes Requires Decrease in Liver and Pancreas Fat Content but Is Dependent upon Capacity for β Cell Recovery – Roy Taylor – Cell Metabolism

 

October 25, 2018

Roller coaster of fantastic articles today! Two sister articles from TEDDY cohort about development of the gut microbiota in early childhood and type-1 diabetes. Another article on association of the early gut microbiota with body mass index later in life in a Norwegian cohort. A multi-omics study of the rumen microbiota and insight into how human gut microbiota recovers following antibiotic exposure. And many more, keep reading…

Human gut microbiome

Recovery of gut microbiota of healthy adults following antibiotic exposure – Albert Palleja – Nature Microbiology

The human gut microbiome in early-onset type 1 diabetes from the TEDDY study – Tommi Vatanen – Nature

Temporal development of the gut microbiome in early childhood from the TEDDY study – Christopher J. Stewart – Nature

Gut Microbiota in the First 2 Years of Life and the Association with Body Mass Index at Age 12 in a Norwegian Birth Cohort – Maggie A. Stanislawski – mBio

Human gut microbe co-cultures have greater potential than monocultures for food waste remediation to commodity chemicals – Matthew A. Perisin – Scientific Reports

Animal experiments

Interspecies cross-feeding orchestrates carbon degradation in the rumen ecosystem – Lindsey M. Solden – Nature Microbiology

A gut microbial factor modulates locomotor behaviour in Drosophila – Catherine E. Schretter – Nature

Dietary fibers inhibit obesity in mice, but host responses in the cecum and liver appear unrelated to fiber-specific changes in cecal bacterial taxonomic composition – Janice E. Drew – Scientific Reports

Plant, root, and soil microbiome

Existing Climate Change Will Lead to Pronounced Shifts in the Diversity of Soil Prokaryotes – Joshua Ladau – mSystems

Techniques

Intestinal barrier dysfunction orchestrates the onset of inflammatory host–microbiome cross-talk in a human gut inflammation-on-a-chip – Woojung Shin – PNAS

Microbiota profiling with long amplicons using Nanopore sequencing: full-length 16S rRNA gene and whole rrn operon – Anna Cusco – BioRxiv

Microbes in the news

3 million common procedures in England could become ‘life threatening’ without antibiotics – CNN

Antibiotic plus probiotic combination may kill off superbugs – Medical News Today

Microbes on the market

Microbiotica Attracts Equity Investment from Seventure’s Health for Life Capital Fund – Microbiome Times

Rebiotix and Microbiome Insights Collaborate on a Microbiome IBD Tool for Clinical Development – Microbiome Times

APC Microbiome Ireland pool resources to lead maternity probiotic venture – Nutraingredients.com

Non-microbiology picks

How should autonomous vehicles be programmed? – ScienceDaily